exception cannot call getImage() from Thread: AWT-EventQueue-1

[ncubukcu]

Hi
I am pretty new to visad and currently exploring its usage for my 
applications. So far I was able to write some simple applications.

I have run into a problem when I tried to call a visad application 
through and applet's "submit" button on a web site  as in the following 
format:

 private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) 
{                                        
    
        Util.invoke(false,false, new Runnable() {
            public void run() {
            com.app.lt.CreateImage imagePr = new com.app.lt.CreateImage();
                try {
                    BufferedImage myImage =imagePr.plotImage();
                } catch (RemoteException ex) {
                    ex.printStackTrace();
                } catch (VisADException ex) {
                    ex.printStackTrace();
                }
            }
        });
.
.

the exception I get is;

 Exception in thread "AWT-EventQueue-1" visad.VisADError: cannot call 
getImage() from Thread: AWT-EventQueue-1
        at visad.DisplayImpl.getImage(DisplayImpl.java:2630)
        at visad.DisplayImpl.getImage(DisplayImpl.java:2614)
        at com.app.lt.CreateImage.plotImage(CreateImage.java:94)

where line 94 has the following code;
return display.getImage();

and display object is;
DisplayImplJ2D display = new DisplayImplJ2D(" ", 700, 500);

I looked through old e.mails and it seems like this  works for everybody 
else. It works fine if I run the application by itself. Like I said I 
am  a new user and there maybe much easier way to do this but I just 
don't know yet.  any help is greatly appreciated... thanks in advance..
nihat



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